剑树刀山 (劍樹刀山) jiàn shù dāo shān

jiàn shù dāo shān phrase trees of swords on a knife mountain
Domain: Buddhism 佛教
Notes: A kind of hell or a simile for a dangerous place (Ch’ung-hsien, K’o-ch’in, and Thomas F. Cleary trans. 1998, p. 46; T 2003, Scroll 1; Guoyu '劍樹刀山')